Cryptocurrency
Blockchain hashing, wallets and on-chain incidents. Clear-eyed coverage of how crypto works under the hood, the security trade-offs, and the hacks and exploits worth learning from.
Bitget Confirms $351.6M Hack, 2026’s Biggest [2026]
A crypto exchange lost more than a third of a billion dollars on Thursday, and by Friday morning traders had mostly shrugged it off. Bitget confirmed that $351.6…
Self-Custody Wallet Setup: 12 Steps, 90 Minutes [2026]
Bybit lost roughly $1.5 billion in ETH and staked-ether assets in one of the largest exchange hacks on record, an attack U.S. authorities later tied to North Korea’s…
Cosmos EVM Bug Drains 6 Chains, Missed 4 Months [2026]
A bug that Cosmos Labs decided in May 2026 was not worth telling anyone about ended up draining six blockchains in the span of five days. The flaw,…
Cross-Chain Bridge Exploit Testing: 12 Foundry Steps [2026]
Three cross-chain bridges lost a combined nine figures in 2026, and none of the exploits involved a broken cryptographic primitive. Nomic’s forwarding logic let an attacker double-spend Bitcoin…
LDK, Core Lightning, Eclair Patch Bugs in 5 Days [2026]
Three separate teams that build the software running Bitcoin’s Lightning Network shipped critical security patches inside the same two-week stretch this month. Lightning Development Kit (LDK), Core Lightning…
Truncation Bug Testing: 12 Foundry Steps, $1.7M Lost [2026]
Solidity has caught raw integer overflow since version 0.8.0. That fixed the easy bugs. It did nothing for the harder ones: truncation from unsafe downcasts, division-order mistakes that…
MEV-Boost Setup: 12 Steps, Up to 1% More Yield [2026]
Run an Ethereum validator without MEV-Boost and you leave money on the table. Every block your validator proposes without it goes through local building only, which means you…
Haruko Cyberattack Exposes 15 Crypto Funds’ API Keys [2026]
A vendor almost nobody outside institutional trading desks had heard of a week ago is now the center of a live case study in third-party crypto risk. Haruko,…
Across Bridge SDK: Automate L2 Transfers in 12 Steps [2026]
Across has settled more than $27.5 billion in transfers across 17.3 million individual deposits for over 4 million users, according to the protocol’s own mid-2025 usage figures, making…
Ledger Ethereum App 1.22.1 Flaw: 0 Funds Lost [2026]
A hardware wallet maker just showed the industry how a signing bug can slip past a screen a user is staring at. On August 28, 2026, OneKey’s internal…
